fix for #4183

[jquery.git] / src / ajax.js

diff --git a/src/ajax.js b/src/ajax.js
index 8262bc7..bffbeb6 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -71,7 +71,7 @@ jQuery.fn.extend({
                .filter(function(){
                        return this.name && !this.disabled &&
                                (this.checked || /select|textarea/i.test(this.nodeName) ||
-                                       /text|hidden|password/i.test(this.type));
+                                       /text|hidden|password|search/i.test(this.type));
                })
                .map(function(i, elem){
                        var val = jQuery(this).val();
@@ -95,7 +95,7 @@ jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".sp
 var jsc = now();
 
 jQuery.extend({
-  
+
        get: function( url, data, callback, type ) {
                // shift arguments if data argument was ommited
                if ( jQuery.isFunction( data ) ) {
@@ -233,9 +233,6 @@ jQuery.extend({
                // If data is available, append data to url for get requests
                if ( s.data && type == "GET" ) {
                        s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
-
-                       // IE likes to send both get and post data, prevent this
-                       s.data = null;
                }
 
                // Watch for a new set of requests
@@ -267,12 +264,17 @@ jQuery.extend({
                                                done = true;
                                                success();
                                                complete();
+
+                                               // Handle memory leak in IE
+                                               script.onload = script.onreadystatechange = null;
                                                head.removeChild( script );
                                        }
                                };
                        }
 
-                       head.appendChild(script);
+                       // Use insertBefore instead of appendChild  to circumvent an IE6 bug.
+                       // This arises when a base node is used (#2709 and #4378).
+                       head.insertBefore( script, head.firstChild );
 
                        // We handle everything using the script element injection
                        return undefined;
@@ -404,7 +406,7 @@ jQuery.extend({
 
                // Send the data
                try {
-                       xhr.send(s.data);
+                       xhr.send( type === "POST" ? s.data : null );
                } catch(e) {
                        jQuery.handleError(s, xhr, null, e);
                }
@@ -481,7 +483,7 @@ jQuery.extend({
 
                if ( xml && data.documentElement.tagName == "parsererror" )
                        throw "parsererror";
-                       
+
                // Allow a pre-filtering function to sanitize the response
                // s != null is checked to keep backwards compatibility
                if( s && s.dataFilter )
@@ -498,7 +500,7 @@ jQuery.extend({
                        if ( type == "json" )
                                data = window["eval"]("(" + data + ")");
                }
-               
+
                return data;
        },